Britain and the United States sign the Treaty of Paris, formally ending the American Revolutionary War and recognizing American independence.

The Montgolfier brothers launch a hot air balloon carrying a sheep, a duck, and a rooster before King Louis XVI at Versailles, testing survivability of flight.

Pilatre de Rozier and the Marquis d'Arlandes became the first humans to fly freely, drifting over Paris in a Montgolfier hot air balloon for 25 minutes.

George Washington bade an emotional farewell to his Continental Army officers at Fraunces Tavern in New York City after the Revolutionary War's end.

Joseph Montgolfier and a companion made an early hot-air balloon ascent in Lyon, months after the historic Paris flights.